18181197 is an odd 8-digits composite number following 18181196
and preceding 18181198 . In scientific notation, it is written as 1.8181197 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 12101760 positive integers (up to 18181197) that are relatively prime to 18181197.
18181197 has 12 divisors, whose sum is 26303004
The reverse of 18181197 is 79118181
Previous prime number is 881
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million one hundred eighty-one thousand one hundred ninety-seven
Scientific notation
1.8181197 × 10^7
Engineering notation
1.8181197 × 10^6
Prime Factorization
3 × 3 × 881 × 2293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6060399
Product of the distinct prime numbers
The prime factorization of 18181197 is 3 × 3 × 881 × 2293.
Since it has a total of 4 prime factors.
10 , 7 , 77 , 75 , 973 , 705 , 5978 , 3060 , 52319 , 40223 , 29231 , 485382 , 1654085 , 8133785 , 57343773 , 83154645 , 928750877 , 814177257 , 9868563786 , 8823123872
n×2
36362394
n×3
54543591
n×4
72724788
n×5
90905985
n÷2
9090598.5
n÷3
6060399
n÷3
4545299.25
n÷5
3636239.4
n2
330555924352809
n3
6.0099023801755E+21
n4
1.0926721912474E+29
n5
1.9866088365491E+36
2 √n
4263.9414864653
3 √n
262.9505947957
4 √n
65.298862826739
5 √n
28.308997790015
1 , 3 , 9 , 881 , 2293 , 2643 , 6879 , 7929 , 20637 , 2020133 , 6060399 , 18181197
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18181196
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18181197 can be divided by 12 positive divisors.
The sum of these divisors (counting 18181197) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000101010110110001001101
3
Ternary
1021012200220200
4
Quaternary
1011112301031
5
Quinary
14123244242
6
Senary
1445404113
8
Octal
105266115
10
Decimal
18181197
12
Duodecimal
6109639
16
Hexadecimal
1156c4d
20
Vigesimal
5dccjh
36
Base36
atop9
md5
65123f974a593fd8f72e567051860105
sha1
dbb66681961754497d820a6261d0d4fdf5fba228
sha256
b8f90b3c7a3e462b82cc3bdb229aa0c46c538bc2694863d3c175404a665c323a
sha512
d11e68859a53c14dc07c4f8aa5892eb4c2b97ff7a03b4f93f5adad0ed40b2358780c18e15bc8aeccc59aacc4debc3ca42965fcf4c89905af2a11914dde5cf2a5
ripemd-160
898d0d34f76711015509ce54ea168a5286f234f9
Diameter
36362394
Circumference
114235829.85734
Area
1.0384720635474E+15
Volume
2.5174220221802E+22
Surface area
4.1538882541895E+15
Circumference
114235829.85734
Perimeter
72724788
Area
330555924352809
Diagonal
25712095.377577
Surface area
1983335546116854
Volume
6.0099023801755E+21
Space diagonal
31490756.946419
Perimeter
54543591
Area
1.4313491393049E+14
Altitude
15745378.473209
Surface area
1.4313491393049E+14
Volume
7.0827378788188E+20
Height
8570698.4591923